Home / 3,970,297,747.20-5,955,670,569.60-1,210,016,812.80

Finding the Fourth Proportional to 3,970,297,747.20, 5,955,670,569.60 and 1,210,016,812.80

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Solution

The fourth proportional to 3,970,297,747.20, 5,955,670,569.60 and 1,210,016,812.80 is: 1,815,093,471.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,970,297,747.20 : 5,955,670,569.60 = 1,210,016,812.80 : x
  2. Step 2: Convert to fraction form
    3,970,297,747.20/5,955,670,569.60 = 1,210,016,812.80/x
  3. Step 3: Cross multiply
    3,970,297,747.20x = 5,955,670,569.60 × 1,210,016,812.80
  4. Step 4: Simplify right side
    3,970,297,747.20x = 7,206,461,520,714,152,960
  5. Step 5: Solve for x
    x = 7,206,461,520,714,152,960/3,970,297,747.20
  6. Step 6: Final answer
    x = 1,815,093,471.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.